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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wheels and Tires Forum Sponsored by The Tire Rack > Confused about tyre sizes?



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      07-10-2018, 10:51 AM   #1
Kryptek49
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Confused about tyre sizes?

I need to replace my rear tyres and I've been looking online and my current tyres don't appear to be the correct size?

I've got a 2006 BMW 320i, with 16" Rims.

The current tyres are 225/50/R16

Is this incorrect? It appears that the suggested tyres are 205/55/R16, which is different on both the width and the profile?

Anyone got any advice on which ones I should get? Very confused

Thank you.
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      07-10-2018, 02:17 PM   #2
gIzzE
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That size is fine.

Everytime you go wider by 20 you should drop the sidewall (which is a percentage of the width) by one, so going 205/55 to 225 would need a 50% sidewall profile instead of the 55%.

Use the tyre calculator on the top of this section to get an understanding of tyre sizes.


Hello from Wymondham btw!!
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      07-16-2018, 05:20 PM   #3
Sbryan1955
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Style 157 - 17 x 8 Rim Size

What's the largest tire that will fit my 2007 328I Coupe?
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      07-17-2018, 04:05 PM   #4
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Quote:
Originally Posted by Sbryan1955 View Post
What's the largest tire that will fit my 2007 328I Coupe?
anything is possible with enough money
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